G GradualMen's Sweatpants with Zipper Pockets Open Bottom Athletic Pants for Men Workout, Jogging, Running, Lounge

Q: What is the difference between the 01 grey and the 02 grey. Pictures and description are identical?

01= blue trim, 02= black trim. Look at the waste ban.

Q: dryer information - can these be dried in the dryer?

I dry mine in a dryer,it hasn't hurt them

Q: What is the difference between 01 and 02 black?

Good morning there's really no difference between one and two one is just a little shade darker than two is, as far as the fit the length of pants durability the zipper on the sides they're all the same. They are comfortable to wear they're comfortable to work out in and they're lightweight.